A family of Microsoft word processing software products for creating web, email, and print documents.
While this gives access to the restart numbering command (not as easily putting it on the QAT but probably better organizationally) the one-minute video does not address the inherent scrambling in Word numbering done without tying it into styles. For documents that are going to be heavily edited or go through multiple hands, tying numbering to styles as set forth in this article is crucial.
How to create numbered headings or outline numbering in Word 2007 and Word 2010
Archive How to create numbered headings or outline numbering in Word 2007 and Word 2010